Forget boring airport lounges. This new one has a robot bartender and Mario Kart

Portal Lounge is betting travelers want gaming, cocktails, and immersive experiences instead of another quiet room with snacks.

Airport lounges have spent decades promising travelers the same thing: a quieter place to sit and wait. But a new concept opening next week inside Minneapolis–Saint Paul International Airport is betting that modern travelers, especially millennials who grew up gaming, want something far more immersive for their........

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